A new study shows vigorous exercise and fasting improve the ability of human and mouse cells to remove misfolded, toxic, unnecessary proteins. The findings reveal a previously unknown mechanism that a..

A new study shows vigorous exercise and fasting improve the ability of human and mouse cells to remove misfolded, toxic, unnecessary proteins. The findings reveal a previously unknown mechanism that activates the cells' protein-disposal machinery, allowing them to adapt their protein content to shifting demands and new conditions.